Far beyond the bright planets, in the dim outskirts of the Solar System, astronomers keep stumbling on objects that refuse to ...

New James Webb telescope observations of the 'super-puff' planet WASP-107b show that the exoplanet's runaway atmosphere is ...

Studying samples from the Bennu asteroid, researchers have found sugars essential for biology, stardust and ... something ...

Mercury, typically classified as the Solar System’s innermost planet, is displaying features more commonly associated with comets. On 3, Steven Bellavia captured an image from Surry, Virginia, ...

Astronomers are just beginning to scratch the surface of the complex, and sometimes violent, relationships between planets ...

The James Webb Space Telescope (JWST) has notched another milestone, capturing a direct image of a distant, frigid planet in a solar system unlike our own, astronomers announced on Tuesday (June 10).

While Mercury is the innermost planet in the Solar System, on average it spends more time closer to Earth than Venus does.

Astronomers have spotted an intriguing cluster of objects in the Kuiper belt, an enormous, donut-shaped region of icy objects beyond Neptune.

Just because Pluto was ruled out as a planet in 2006 doesn’t mean our solar system only has eight planets. The search for Planet Nine is far from over as scientists continue to uncover clues ...

What the swirling storms on alien worlds can tell us about the climate on Earth. Damond Benningfield A somewhat alarming new phrase entered the American lexicon when parts of the United States were ...